<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Home Page</title>
    <style>
        body {
            margin: 0;
            font-family: Arial, sans-serif;
        }

        .container {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background-image: url('background.jpg');
            background-size: cover;
        }

        .text {
            font-size: 24px;
            margin-bottom: 20px;
        }

        .button {
            background-color: #4CAF50;
            color: white;
            border: none;
            border-radius: 5px;
            padding: 10px 20px;
            cursor: pointer;
        }

        .button:hover {
            background-color: #45a049;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="text">
            这里是第一行文本。
        </div>
        <div><h1>Option Selection</h1></div>
        <div class="button-container">
            <form action="{{ url_for('submit') }}" method="post">
                <select name="option">
                    <option value="option1">Option 1</option>
                    <option value="option2">Option 2</option>
                    <option value="option3">Option 3</option>
                </select>
                <button type="submit">Submit</button>
            </form>
        </div>
        <div class="text">
            这里是第一行文本。
        </div>
    </div>
</body>
</html>
